Why is my car AC not turning off?
Why is my car AC not turning off?
The most common reason that your Air Conditioner fan won’t turn off is because a stuck relay keeping the circuit closed. If it’s not the relay, your thermostat likely has a shorted cable or needs to be replaced.
Why does my car heater not turn off?
My car has an automatic transmission. This suggests that the relay may be supplying power to the blower motor regardless of turning the switch off. The blower motor relay supplies power to this motor when you turn the switch to “on” that can sometimes fail.
Why does my car blower motor not shut off?
If you have a vehicle with climate control system and a variable speed blower motor and the blower motor won’t shut off and stays on HIGH with the car turned off and the key out, chances are the blower motor motor control processor is toast or the HVAC control module is damaged.
Why does my rear AC blower keep spinning?
But #36 looks like it would stop it only if the HVAC CM-Aux was the fault. If you pull #36 and it keeps spinning then it is the BMCP-Aux. The blower motor control processor controls the speed of the blower motor by increasing or decreasing the voltage drop on the ground side of the blower motor.
Why does my car fan keep running after I Turn Off the engine?
Running cooling fans help cool down the engine even after you turn off the car. Common Causes. If your cooling fan runs for over 10 minutes after turning off the engine, you may have a problem that needs to be fixed. Here are some possibilities causing the fan to stay running longer. low coolant level, faulty coolant temperature sensor,
My car has an automatic transmission. This suggests that the relay may be supplying power to the blower motor regardless of turning the switch off. The blower motor relay supplies power to this motor when you turn the switch to “on” that can sometimes fail.
If you have a vehicle with climate control system and a variable speed blower motor and the blower motor won’t shut off and stays on HIGH with the car turned off and the key out, chances are the blower motor motor control processor is toast or the HVAC control module is damaged.
But #36 looks like it would stop it only if the HVAC CM-Aux was the fault. If you pull #36 and it keeps spinning then it is the BMCP-Aux. The blower motor control processor controls the speed of the blower motor by increasing or decreasing the voltage drop on the ground side of the blower motor.
